Mini-vacuum pumps by Andrew Cox https://padlet.com/andrew_cox1/t4qemarh2yl0 Use this space to post OBSERVATIONS, DISCOVERIES, QUESTIONS, CONFIRMATIONS, CONNECTIONS, and EXPLANATIONS related to your experience with the mini-vacuum pumps. en-us 2016-10-31 17:51:31 UTC 2023-03-07 08:55:42 UTC hello@padlet.com https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134469440 2016-11-01 13:42:44 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134469440 https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134471777 We observed as pressure decreases , volume increases ]]> 2016-11-01 13:48:04 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134471777 https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134471789 The marshmallow increased in size because pressure and volume have an inverse relationship]]> 2016-11-01 13:48:05 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134471789 Gabriel Gonzalez observations and more: https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134472892 We observed that as pressure decreases, volume  increases.
When you decrease the pressure, the water boils, but the temperature does not increase.
This experiment with the water is just like the demo Mr. Cox made making water boil.

]]> 2016-11-01 13:50:40 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134472892 Observation  https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134478954 As volume increases at a low starting volume , pressure becomes negative]]> 2016-11-01 14:04:24 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134478954 Observation https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134490492 The ballon expanded when pressure was decreased. Also the marshmallow expanded as the pressure decreased. This proves boyles la]]> 2016-11-01 14:29:38 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134490492 Observation https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134526835 We observed that the marshmallows gradually got bigger when losing pressure and when we realeased  the air back in,the pressure made the marshmellows deflate.This happened because the temperature was constant and the pressure was being decreased and volume increased.]]> 2016-11-01 15:52:29 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134526835 https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134527752 2016-11-01 15:54:37 UTC https://padlet.com/andrew_cox1/t4qemarh2yl0/wish/134527752